Editor
Editor
 Sep 18, 2022
0
Mark the correct statement:
Difficulty: Easy
A: 
The ionization energy of calcium is lower than that of barium.
B: 
The ionization energy of calcium is lower than that of magnesium.
C: 
The ionization energy of calcium is higher than that of beryllium.
D: 
The ionization energy of calcium is lower than that of strontium.
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NETNUST Entry TestChemistryPeriodicity in Elements